Methemoglobinemia secondary to application of a topical anesthetic (EMLA)

Kary Leonisa Quiñones Coneo^a, Olga Carvajal del Castillo^a, Pablo Bello Gutiérrez^a, Erika Pulido Ovalle^a, M.ª Dolores Caro Gutiérrez^b

^aServicio de Pediatría. Hospital Universitario Rey Juan Carlos. Móstoles. Madrid. España.
^bServicio de Dermatología. Hospital Universitario Rey Juan Carlos. Móstoles. Madrid. España.

Correspondence: KL Quiñones . E-mail: kary_2312@hotmail.com

Reference of this article: Quiñones Coneo KL, Carvajal del Castillo O, Bello Gutiérrez P, Pulido Ovalle E, Caro Gutiérrez MD. Methemoglobinemia secondary to application of a topical anesthetic (EMLA). Rev Pediatr Aten Primaria. 2021;23:79-81.

Published in Internet: 23-03-2021 - Visits: 6570

Abstract

Methemoglobinemia is a clinical syndrome secondary to the oxidation of iron in hemoglobin, preventing its adequate binding to oxygen. Subsequently, red blood cells are unable to appropriately capture oxygen and deliver it to the tissues, causing hypoxia. We describe a case of a patient who presented neurological symptoms in the context of methemoglobinemia as an adverse reaction to the administration of EMLA.

Keywords

● Local anesthetic ● Methemoglobinemia ● Seizure

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